(19)

(11)

EP 2 502 448 A1

(12)

(43) Date of publication: 26.09.2012 Bulletin 2012/39 (21) Application number: 10795108.9 (22) Date of filing: 19.11.2010

(51) International Patent Classification (IPC):  H04W 48/12(2009.01) (86) International application number: PCT/US2010/057329 (87) International publication number: WO 2011/063175 (26.05.2011 Gazette 2011/21)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 20.11.2009 US 263241 P 10.02.2010 US 303081 P 19.07.2010 US 839268 (71) Applicant: Qualcomm Incorporated San Diego, CA 92121 (US)	(72) Inventors: JAIN, Avinash San Diego, CA 92121 (US) SAMPATH, Hemanth San Diego, CA 92121 (US) TAGHAVI NASRABADI, Mohammad, Hossein San Diego, CA 92121 (US) ABRAHAM, Santosh, Paul San Diego, CA 92121 (US) (74) Representative: Emde, Eric et al Wagner & Geyer Gewürzmühlstrasse 5 80538 München 80538 München (DE)